252434243 has 4 divisors (see below), whose sum is σ = 252491328. Its totient is φ = 252377160.

The previous prime is 252434201. The next prime is 252434251. The reversal of 252434243 is 342434252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252434243 - 2⁶ = 252434179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252434843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21296 + ... + 30957.

It is an arithmetic number, because the mean of its divisors is an integer number (63122832).

Almost surely, 2^252434243 is an apocalyptic number.

252434243 is a deficient number, since it is larger than the sum of its proper divisors (57085).

252434243 is an equidigital number, since it uses as much as digits as its factorization.

252434243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57084.

The product of its digits is 23040, while the sum is 29.

The square root of 252434243 is about 15888.1793481821. The cubic root of 252434243 is about 631.9985604237.

Adding to 252434243 its reverse (342434252), we get a palindrome (594868495).

Subtracting 252434243 from its reverse (342434252), we obtain a palindrome (90000009).

The spelling of 252434243 in words is "two hundred fifty-two million, four hundred thirty-four thousand, two hundred forty-three".